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The 8-inch copper oil line replaces the internal feed line between the pump and the nozzle assembly
because this is an SPDT relay
OEM Compatibility: Specifically calibrated for Honeywell DPR100 and RL100 series strip recorders to prevent paper jams
ensuring each citrus scent towel remains effective for removing HVAC tool grease or cleaning painted surfaces and plastics on the job site
Bard HVAC 8406-042BX Pressure Switch Els PW 17895 The 8-inch copper oil lineThe Bard 8406 042BX Pressure Switch is the direct engineering update for the legacy 8406 042, specifically designed for precise differential pressure sensing in Bard wall mount units. Calibrated for a 0. 28" PF pressure set point, this normally open air pressure switch monitors blower operation and heat pump airflow to prevent coil icing or compressor damage. For technicians diagnosing HVAC pressure switch failure, this component ensures the system